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Page 1: OpenID - University of Colorado Boulder · October: Google becomes an OpenID Host, but refuses Non‐Google OpenID authentication. November: JanRain announced a free hosted service,

OpenID

Page 2: OpenID - University of Colorado Boulder · October: Google becomes an OpenID Host, but refuses Non‐Google OpenID authentication. November: JanRain announced a free hosted service,

Mo#va#on 1 user account to access everything.

(Remember Microsoft Passport?) Decentralized Free Open

Page 3: OpenID - University of Colorado Boulder · October: Google becomes an OpenID Host, but refuses Non‐Google OpenID authentication. November: JanRain announced a free hosted service,

Tech

Can be hosted by any webserver. Requires form:  <yourId>.openidhost.blah

Blinkymach12.blogspot.com IDislikeLiveJournal.livejournal.com

OpenID client embeds an OpenID interface on theirwebsite which redirects to the OpenID authenticationon the host site, which then provides authenticity.

Page 4: OpenID - University of Colorado Boulder · October: Google becomes an OpenID Host, but refuses Non‐Google OpenID authentication. November: JanRain announced a free hosted service,

History

2005: OpenID 1.0 developed and pioneered byLiveJournal.

2006: XRI support added to OpenID XRI > URI > URL URI’s: subset of ASCII XRI’s: Unicode, thus including Kanji, Kana, Koreancharacters, Cyrillic characters, etc.

2007: Microsoft incorporates OpenID into WindowsCardSpace

Page 5: OpenID - University of Colorado Boulder · October: Google becomes an OpenID Host, but refuses Non‐Google OpenID authentication. November: JanRain announced a free hosted service,

History 2008:

 February: Google, IBM, Microsoft, VeriSign, andYahoo! join the OpenID Foundation as corporate boardmembers.

May: SourceForge became an OpenID provider October: Google becomes an OpenID Host, but refusesNon‐Google OpenID authentication.

November: JanRain announced a free hosted service,RPX Basic, that allows websites to begin acceptingOpenIDs for registration and login without having toinstall, integrate, and configure the OpenID opensource libraries.

Page 6: OpenID - University of Colorado Boulder · October: Google becomes an OpenID Host, but refuses Non‐Google OpenID authentication. November: JanRain announced a free hosted service,

Present

Page 7: OpenID - University of Colorado Boulder · October: Google becomes an OpenID Host, but refuses Non‐Google OpenID authentication. November: JanRain announced a free hosted service,

Examples Do you have an OpenID? OpenID Providers OpenID Adoption Mandating OpenID:

StackOverflow Springnote